EP3517632A4 - Method for operating blast furnace - Google Patents

Method for operating blast furnace Download PDF

Info

Publication number
EP3517632A4
EP3517632A4 EP17879791.6A EP17879791A EP3517632A4 EP 3517632 A4 EP3517632 A4 EP 3517632A4 EP 17879791 A EP17879791 A EP 17879791A EP 3517632 A4 EP3517632 A4 EP 3517632A4
Authority
EP
European Patent Office
Prior art keywords
blast furnace
operating blast
operating
furnace
blast
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17879791.6A
Other languages
German (de)
French (fr)
Other versions
EP3517632B1 (en
EP3517632A1 (en
Inventor
Yuji Iwami
Shunsuke Nonaka
Yasukazu Hayasaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP3517632A1 publication Critical patent/EP3517632A1/en
Publication of EP3517632A4 publication Critical patent/EP3517632A4/en
Application granted granted Critical
Publication of EP3517632B1 publication Critical patent/EP3517632B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/006—Automatically controlling the process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C22B1/20—Sintering; Agglomerating in sintering machines with movable grates
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/80—Interaction of exhaust gases produced during the manufacture of iron or steel with other processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
EP17879791.6A 2016-12-16 2017-12-12 Blast furnace operation method Active EP3517632B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016243989 2016-12-16
PCT/JP2017/044474 WO2018110521A1 (en) 2016-12-16 2017-12-12 Method for operating blast furnace

Publications (3)

Publication Number Publication Date
EP3517632A1 EP3517632A1 (en) 2019-07-31
EP3517632A4 true EP3517632A4 (en) 2019-11-06
EP3517632B1 EP3517632B1 (en) 2021-11-24

Family

ID=62558564

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17879791.6A Active EP3517632B1 (en) 2016-12-16 2017-12-12 Blast furnace operation method

Country Status (7)

Country Link
EP (1) EP3517632B1 (en)
JP (1) JP6519036B2 (en)
KR (1) KR102303009B1 (en)
CN (1) CN110073006A (en)
PH (1) PH12019501367A1 (en)
TW (1) TWI658147B (en)
WO (1) WO2018110521A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112522460B (en) * 2020-11-18 2022-05-17 山东钢铁集团日照有限公司 Method for adjusting airflow distribution by spreading blast furnace burden
CN114594073B (en) * 2022-01-25 2023-08-11 虔东稀土集团股份有限公司 Rare earth metal production online detection method and system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651507A (en) * 1979-09-28 1981-05-09 Sumitomo Metal Ind Ltd Operating method of blast furnace
JPS5751206A (en) * 1980-09-12 1982-03-26 Sumitomo Metal Ind Ltd Operating method for blast furnace
JPS60262926A (en) * 1984-06-08 1985-12-26 Kawasaki Steel Corp Method for controlling concentration of component in product sintered ore
RU2240351C2 (en) * 2002-04-22 2004-11-20 Открытое акционерное общество "Новолипецкий металлургический комбинат" (ОАО "НЛМК") Blast smelting method
JP2011038735A (en) * 2009-08-17 2011-02-24 Jfe Steel Corp Sintering machine
JP2016130341A (en) * 2015-01-14 2016-07-21 株式会社神戸製鋼所 Method of producing sintered ore raw material using magnetite ore

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57149433A (en) 1981-03-07 1982-09-16 Nisshin Steel Co Ltd Method and device for preparing sintered ore having preset content of feo
JPH06108124A (en) * 1992-09-29 1994-04-19 Nippon Steel Corp Operation of blast furnace
JPH10324929A (en) 1997-05-26 1998-12-08 Nippon Steel Corp Production of sintered ore
JP3787237B2 (en) * 1998-01-23 2006-06-21 新日本製鐵株式会社 Method of charging high-pellet iron ore into a blast furnace
KR100374231B1 (en) * 1998-07-31 2003-05-16 주식회사 포스코 Manufacturing method of sintered light using recycled buoyancy
JP2001107115A (en) * 1999-10-06 2001-04-17 Nippon Steel Corp Operation of blast funace using highly reducible sintered ore
KR100786499B1 (en) * 2001-12-18 2007-12-17 주식회사 포스코 Method for manufacturing the sintering ore
JP2005097658A (en) * 2003-09-24 2005-04-14 Jfe Steel Kk Method for predicting main raw material component ratio of sintered ore and method for controlling component ratio of sintered ore and program for predicting main raw material component ratio of sintered ore
JP2005298923A (en) * 2004-04-13 2005-10-27 Nippon Steel Corp High ore/reducing material ratio operation method in blast furnace
JP4802739B2 (en) * 2006-01-31 2011-10-26 Ｊｆｅスチール株式会社 Blast furnace raw material mixing degree measuring method and blast furnace raw material mixing degree measuring device
JP5012138B2 (en) * 2007-03-28 2012-08-29 住友金属工業株式会社 Blast furnace operation method
CN102719580B (en) * 2011-03-29 2014-11-05 鞍钢股份有限公司 Blast furnace operation method for improving hearth coke strength
JP2013147718A (en) * 2012-01-20 2013-08-01 Nippon Steel & Sumitomo Metal Corp Method for producing sintered ore
CN102722652B (en) * 2012-06-01 2015-09-16 攀钢集团攀枝花钢钒有限公司 A kind of blast furnace process pricing and optimization method
CN104164558B (en) * 2014-08-27 2016-04-13 攀钢集团成都钢钒有限公司 A kind of sintering circuit sinter quality control method
CN104593532B (en) * 2015-01-19 2017-07-07 河北联合大学 A kind of ironmaking system furnace charge optimization method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651507A (en) * 1979-09-28 1981-05-09 Sumitomo Metal Ind Ltd Operating method of blast furnace
JPS5751206A (en) * 1980-09-12 1982-03-26 Sumitomo Metal Ind Ltd Operating method for blast furnace
JPS60262926A (en) * 1984-06-08 1985-12-26 Kawasaki Steel Corp Method for controlling concentration of component in product sintered ore
RU2240351C2 (en) * 2002-04-22 2004-11-20 Открытое акционерное общество "Новолипецкий металлургический комбинат" (ОАО "НЛМК") Blast smelting method
JP2011038735A (en) * 2009-08-17 2011-02-24 Jfe Steel Corp Sintering machine
JP2016130341A (en) * 2015-01-14 2016-07-21 株式会社神戸製鋼所 Method of producing sintered ore raw material using magnetite ore

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018110521A1 *

Also Published As

Publication number Publication date
KR102303009B1 (en) 2021-09-15
PH12019501367A1 (en) 2020-02-24
EP3517632B1 (en) 2021-11-24
JP6519036B2 (en) 2019-05-29
CN110073006A (en) 2019-07-30
KR20190085970A (en) 2019-07-19
TWI658147B (en) 2019-05-01
EP3517632A1 (en) 2019-07-31
WO2018110521A1 (en) 2018-06-21
TW201829792A (en) 2018-08-16
JPWO2018110521A1 (en) 2019-03-28

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